This chapter highlights the key assumptions underlying Randomized Control Trials (RCTs) and illustrates them with regard to the practice of RCTs in the realm of child and adolescent development. Given the prominence of RCTs in policy research, we analyze the possible ways in which these assumptions might not be met by single randomized…

Strain provides his perspective on four issues facing science and practice in early childhood and special education. He points to the need for (a) long-term functional research, (b) greater emphasis on the use of evidence-based programs in practice, (c) moving special education research back to the Office of Special Education Programs, and (d)…

Use of multivariate analysis (e.g., multivariate analysis of variance) is common when normally distributed outcomes are collected in intervention research. However, when mixed responses--a set of normal and binary outcomes--are collected, standard multivariate analyses are no longer suitable. While mixed responses are often obtained in…